On Mon, 2 May 2005, Poul-Henning Kamp wrote:

> In message <[EMAIL PROTECTED]>, Eric Anderson writes:
>
> >Don't mean to be terse here, but I'm talking about the same test done an
> >two different RAID5 configurations, with different disks, and not just
> >me - other users in this very thread see the same issue..
>
> Uhm, if you are using RAID5 and your requests are not aligned and
> sized after the RAID5 you should *expect* read performance to be poor.
>
> If you your request ends up accessing two different blocks even just
> once per stripe, this totally kills performance.

My system is setup with RAID 1+0. So its not a RAID5 issue...
_______________________________________________
freebsd-performance@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-performance
To unsubscribe, send any mail to "[EMAIL PROTECTED]"

Reply via email to